The past tense of cha-cha is cha-chaed. See all forms of cha-cha with easy examples.
The past tense of cess is cessed. See all forms of cess with easy examples.
The past tense of certify is certified. See all forms of certify with easy examples.
The past tense of certificate is certificated. See all forms of certificate with easy examples.
The past tense of cerebrate is cerebrated. See all forms of cerebrate with easy examples.
The past tense of cerebralize is cerebralized. See all forms of cerebralize with easy examples.
The past tense of cerebralise is cerebralised. See all forms of cerebralise with easy examples.
The past tense of cere is cered. See all forms of cere with easy examples.
The past tense of centuriate is centuriated. See all forms of centuriate with easy examples.
The past tense of centuplicate is centuplicated. See all forms of centuplicate with easy examples.